15results about How to "The implementation effect is good" patented technology

The application relates to a reinforcing device for the bottom of a beam with a special-shaped section and a reinforcing method, the device comprises a supporting assembly and a frame assembly; the supporting assembly comprises an upwardly-inclined supporting rod, the top end of the supporting rod is connected to the lower surface of the frame assembly; the frame assembly comprises a stress plate and a plurality of U-shaped plates connected above the stress plate, the stress plate is arranged along the length direction of the beam, and the lower surface of the stress plate is fixedly connected with the top end of the supporting rod. The method can quickly reinforce the bottom of the beam, the supporting plate and the stress plate are only needed to be fixed, then the position of each U-shaped plate is adjusted by using a jackscrew, the bottom of the beam can be supported, the steps are compact, the implementation effect is good, the amount of used molds is reduced, and the construction cost is lowered.

The invention discloses a method for improving the fracturing crossing effect and the far-well end seam height, which comprises the following steps: determining a crossing position index according to a horizontal well track index, a reservoir minimum horizontal ground stress size index, a reservoir fracture toughness value index and a reservoir filtration coefficient index, selecting a crossing fracturing position, and segmenting to obtain a segmentation result; perforation, radial well guide reaming, fracturing and crossing of a reservoir where a horizontal well hole track is located and fracturing of a penetrated reservoir are carried out on the first crossing fracturing section; a multi-particle-size temporary plugging agent is added, the temporary plugging agent is pumped with medium-high displacement and high-viscosity fracturing fluid, normal-viscosity fracturing fluid is continuously injected in a high-displacement and step mode, and a propping agent is added in a step mode till a preset fracture height is reached; and a packing bridge plug is pumped to the position of the previous cross-layer fracturing section for the remaining cross-layer fracturing sections, setting is conducted, and cross-layer fracturing and pumping operation is repeated till cross-layer fracturing of all the sections is completed. The fracturing volume scale and the far-end crack height of the thin interbed horizontal well can be greatly improved.

The invention discloses a radar error calibration method based on target track comparison, relates to the technical field of electronic information, and aims to improve the precision and coverage dimension of radar system error detection and adapt to differential detection requirements and coordinate conversion characteristics of different flight conditions so as to realize efficient and accurate error evaluation and analysis and improve the accuracy of radar system error detection. By improving the analysis precision and the anomaly recognition speed of radar system error monitoring, the quality assurance efficiency and the detection accuracy level in the operation process of a radar system are remarkably improved, pairing deviation and error evaluation quality reduction caused by subjective judgment are avoided, the pertinence and the implementation effect of an optimal matching scheme are effectively improved, and the method is suitable for popularization and application. Through accurate identification and analysis of a slant distance error, an azimuth error and an elevation angle error, and in combination with a preset number of times of radar data correction circulation mechanism, deviation abnormal factors influencing a radar system error are determined, and it is ensured that a quality management and control measure is highly matched with an actual detection defect risk.

This invention belongs to the field of drilling exploration and development, specifically relating to a method for calculating the remaining oil saturation of high water-cut reservoirs based on seepage patterns. It aims to solve the problem that existing methods for calculating remaining oil saturation require calculating well-to-well distances, making it difficult to quickly and efficiently quantitatively describe the remaining oil saturation at different locations. The method includes: collecting engineering parameters of the reservoir for which remaining oil saturation calculations are to be performed; constructing a quantitative mathematical model of seepage channels; calculating the seepage velocity based on the quantitative mathematical model; calculating the water cut based on the seepage velocity to obtain the water saturation; and then obtaining the oil saturation based on the water saturation. This invention eliminates the need to calculate well spacing and can quickly and efficiently calculate the remaining oil saturation at a specific moment for a grid node based on known parameters. This allows oilfield technicians to quickly, easily, and quantitatively grasp a relatively accurate distribution of remaining oil in sand bodies within a short time.

The application relates to the technical field of electric massage, and discloses an acupoint positioning electric stimulation massage method and system based on a flexible electrode array, which comprises the following steps: pasting the flexible electrode array on a skin stimulation area, injecting a composite electric detection signal of superimposed low-frequency sine waves and high-frequency pulse sequences into the subcutaneous tissue through the electrode, collecting and extracting low-frequency impedance spectrum and high-frequency transient response waveform, determining the subcutaneous extracellular fluid resistance and fitting the capacitance charging and discharging time, combining into an acupoint electrophysiological characteristic vector, positioning the active acupoint to be stimulated through spatial clustering analysis, and then applying a biphasic asymmetric electric stimulation pulse according to the electric characteristics of the tissue, capturing an induced composite response signal in real time, fitting the density to obtain an action potential emission density trend, reducing the pulse repetition frequency and pulse width when the trend reaches a decay inflection point, and restoring the trend to a resting state level until the trend is restored to a resting state level; and the application can improve the effectiveness of electric stimulation massage.

This utility model discloses an instant heater, including a shell, an instant heating element, a circuit board, a thermostat, and a water pump. The circuit board is provided with a power input terminal, a first branch, a second branch, and a power output terminal. The first branch is connected to a drive switch, a thermostat, and the instant heating element in sequence. The second branch is connected to a step-down rectifier module, a control module, and a water pump in sequence. One end of the thermostat is close to the instant heating element. The first branch after the drive switch is also provided with a first welding port and a second welding port of the thermostat, a first welding port of the heating element, and a second connection terminal of the heating element. The control module is provided with a water pump control terminal and a drive switch signal control terminal. The water pump control terminal and the power output terminal are also provided with a first welding port and a second welding port of the water pump. This instant heater has a simple and stable electrical connection between the circuit board, the thermostat, the water pump, and the heating element, and the components are compactly arranged.

This utility model discloses an improved tea strainer structure, including a tea brewing cup and a steam pipe. The steam pipe contains a steam chamber with a bottom opening forming a steam inlet and a steam outlet on its top sidewall. The improved structure also includes a tea steaming mesh fixed to the outer periphery of the steam pipe. The bottom of the tea brewing cup has a trumpet-shaped protrusion with an annular support edge and a limiting tube at its upper opening. The bottom surface of the steam pipe and the top surface of the annular support edge are both horizontal. The bottom surface of the steam pipe rests on the top surface of the annular support edge, and the limiting tube extends upward into the steam chamber. The top wall of the limiting tube has a steam passage. The top surface of the tea steaming mesh and the inner sidewall of the tea brewing cup form a tea steaming chamber, with the steam outlet located within the chamber. This improved tea strainer structure features a simple structure for the tea steaming mesh and steam pipe, making it easy to manufacture. Furthermore, the bottom surface of the steam pipe fits snugly and stably against the bottom of the tea brewing cup, preventing steam leakage and ensuring efficient tea steaming.

The utility model discloses a kind of pet vest belt improved structure, including first webbing part and second webbing part, first webbing part and second webbing part between being provided with connecting buckle assembly, further including connecting piece, connecting piece inside is provided with accommodating space, connecting piece is provided with first connecting port, second connecting port, first movable port and second movable port, first movable port and second movable port are all communicated with accommodating space;First webbing part is fixedly connected with first connecting port, second webbing part sequentially passes through first movable port, accommodating space, second movable port and is fixedly connected with second connecting port, first webbing part, second webbing part and the connecting piece outside between first connecting port and first movable port are enclosed to form front wearing space, and second webbing part and the connecting piece outside between second movable port and second connecting port are enclosed to form rear wearing space;This pet vest belt can realize synchronous adjustment front wearing space and rear wearing space, and the structure of product whole is simple.

The invention discloses a trash remover intelligent control system and method based on load self-adaptive adjustment, relates to the technical field of load adjustment, and aims to improve the precision and coverage dimension of trash remover grid bucket load monitoring so as to realize efficient and accurate jamming risk assessment, improve the analysis precision and early warning response speed of grid bucket unbalance loading state monitoring and improve the safety of trash remover grid bucket unbalance loading state monitoring. The operation reliability and the service life of equipment in the trash removal operation process are remarkably improved, the omission influence of fixed threshold judgment on the local jamming risk is effectively prevented, evaluation deviation and fault missing detection caused by experience judgment are avoided, intelligent configuration and differential input of trash remover control resources are achieved, and the work efficiency is improved. The pertinence and the implementation effect of the relief operation are effectively improved, the key rake tooth unit threatening the service life of the grid bucket is determined by combining unbalance risk evolution curve fitting and abrasion degradation rate calculation, and it is ensured that the maintenance measure is highly matched with the actual equipment degradation risk.

This invention discloses a method and system for detecting the cleanliness of photovoltaic panels, relating to the field of photovoltaic panel detection technology. The method includes first collecting benchmark data of a standard clean photovoltaic panel, dividing the effective light-receiving surface of the panel under test into several independent detection zones, calculating the cleanliness of each zone, extracting the spatial distribution characteristics of cleanliness, calculating the uniformity of light absorption in combination with local light absorption intensity, and obtaining an initial judgment result of overall cleanliness through correlation determination; then, based on the cleanliness threshold of each zone and the natural contamination pattern of the array, selecting contamination characteristic areas and clean benchmark areas to obtain on-site verification data, calibrating the initial judgment result, and obtaining the final detection result. The system includes modules corresponding to the steps of the method. This method can provide specific information on the contamination distribution in each area for the clean operation and maintenance of photovoltaic panels, improve the pertinence and actual implementation effect of photovoltaic panel clean operation and maintenance work, and provide effective data support for the daily operation and maintenance of photovoltaic power plants.

The invention discloses a multifunctional coffee funnel which comprises a funnel upper shell and is characterized in that the multifunctional coffee funnel further comprises a funnel base and a capsule mounting module, the funnel base is provided with a containing cavity and a liquid outlet communicated with the containing cavity, the capsule mounting module comprises a plurality of capsule adapting bases matched with different coffee capsules, the capsule adapting bases are arranged on the containing cavity, and the liquid outlet is communicated with the containing cavity. The funnel base is detachably connected to the lower portion of the funnel upper shell, and the funnel upper shell is further provided with an elastic puncturing piece used for puncturing the coffee capsule and achieving fluid guiding. According to the multifunctional coffee funnel, by additionally arranging the capsule mounting module comprising different capsule adapting seats, when different coffee capsules need to be adapted, only the funnel base needs to be detached, then the capsule adapting seats are replaced, and then the capsule adapting seats are remounted, that is, different funnel upper shells and funnel bases do not need to be replaced, so that the overall manufacturing cost of the product is reduced, and the universality is wide; and the size of the capsule adapter seat is relatively small, so that the overall packaging and transportation cost of the product can be reduced.

The invention discloses a dynamic power adjusting method for a cleaning electric appliance aiming at complex ground working conditions, relates to the technical field of power adjusting, improves the sensing precision and power adjusting capability of the cleaning electric appliance for the complex ground working conditions, and can adapt to differential cleaning requirements and dynamic resistance change characteristics of different ground materials. Therefore, efficient and accurate power output control is realized, the influence of a fixed power mode on insufficient power supply of a high-resistance area is effectively prevented, power configuration deviation and cleaning effect reduction caused by experience judgment are avoided, the pertinence and implementation effect of an optimal power regulation scheme can be effectively improved, and the power regulation efficiency is improved. According to the method, key resistance factors influencing cleaning work are determined, it is ensured that power management and control measures are highly matched with actual cleaning working condition requirements, unified planning is carried out before cleaning work, and the problem of insufficient calculation power caused by real-time analysis in the cleaning process of the cleaning electric appliance is solved.

The utility model relates to a multi-size detachable combined graphite mold suitable for plasma sintering, belongs to the field of design and manufacture of plasma sintering graphite molds, and aims to solve the problem that the combination of molds can be adjusted according to the size of a required sample so as to meet the required size requirement, and has the technical key points that a middle mold sleeve comprises a plurality of middle mold sleeves with different diameters; the middle die sleeves are cylindrical, the upper surfaces of the protrusions of the lower base support the bottoms of the middle die sleeves, the middle die sleeves of different diameters are coaxially nested and arranged on the upper surface of the base, and the pressing heads of different diameters can be matched with the middle die sleeves of different diameters. The outer die sleeve is cylindrical, the outer die sleeve is coaxially nested and arrayed outside the bulge and the middle die sleeve supported on the upper surface of the bulge, and the upper surface of the lower base supports the bottom of a cylinder of the outer die sleeve, so that the graphite die is detachable, each component can be independently replaced, and the combination of the die can be adjusted at any time according to the size of a sample; and further, the required size requirement is met.

The application discloses a precision displacement platform closed-loop control method based on visual feedback and relates to the technical field of visual feedback.The application improves the error source identification precision and compensation parameter accuracy in the closed-loop positioning control process of the precision displacement platform, can adapt to error separation requirements and precision decay prediction characteristics under different environmental temperature distribution characteristics and each axis coupling state, realizes efficient and accurate feedforward compensation quantity solution and individualized control parameter dynamic adjustment, significantly improves the positioning precision in the positioning control process of the precision displacement platform and the rationality of compensation resource allocation, effectively prevents the insufficient response of fixed compensation parameters to actual temperature characteristic differences and each axis coupling state evolution, avoids positioning errors and compensation resource waste caused by error accumulation, effectively improves the pertinence and implementation effect of the final closed-loop positioning control scheme, and ensures that error control measures are highly consistent with actual high-precision positioning requirements.

The invention discloses a time-cost-unobstructed combined river network section multi-objective optimization evaluation method. The method comprises the following steps: firstly, carrying out structured analysis on basic information and an engineering target, and establishing a unified input system comprising flood passing time, cost, a patency target, a weight of the patency target and a reference value; then, multi-scene flood simulation is carried out based on an SWMM model to quantify flood passing time, the whole life cycle engineering cost is calculated, and a smoothness score is calculated in combination with the overflowing capacity, the water level change rate and the water flow resistance; then, candidate scheme parameters are extracted, deviation degree comparison is carried out on the candidate scheme parameters and reference values, and points needing to be adjusted are identified; and finally, performing hierarchical evaluation and sorting on the schemes through weighted comprehensive core index scores, and outputting recommendation schemes and specific structural optimization suggestions. According to the method, contradictions among time, cost and smoothness can be systematically balanced, and comprehensive support is provided for scientific design and optimization decision making of the river network section.